Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
Narita's coldest month, January, registers temperatures that range from a high of 8.9°C (48°F) to a low of 3.8°C (38.8°F).Humidity
With an average relative humidity of 61%, January is the least humid month in Narita.Rainfall
January is the month with the least rainfall. Rain falls for 9 days and accumulates 45mm (1.77") of precipitation.Snowfall
January and February are months with snowfall in Narita. January is the first month it typically snows. Throughout January, in the average 1.3 snowfall days, it receives 5mm (0.2") of snow. In Narita, during the entire year, snow falls for 3.5 days and aggregates up to 32mm (1.26") of snow.Daylight
In January, the average length of the day is 10h and 3min.On the first day of January, sunrise is at 06:48 and sunset at 16:35. On the last day of the month, sunrise is at 06:40 and sunset at 17:03 JST.
Sunshine
The average sunshine in January in Narita is 6.1h.UV index
The months with the lowest UV index in Narita are January through March, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 in January translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Narita?
What are the temperatures in Narita in January?
What is the least humid month in Narita?
What is the average humidity in January in Narita?
What is the driest month in Narita?
How many days does it rain in January in Narita?
When does it start snowing in Narita?
How many hours of daylight does Narita have in January?
When are sunrise and sunset in January in Narita?
How many hours of sunshine does Narita have in January?
When is the lowest UV index in Narita?
What is the UV index intensity in January in Narita?
Average temperature in January
Narita, Japan
- Average high temperature in January: 8.9°C
The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in January: 3.8°C
The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in January
Narita, Japan
- Average pressure in January: 1015.8mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in January
Narita, Japan
- Average wind speed in January: 15.5km/h
The windiest month (with the highest average wind speed) is March (16.8km/h).
The calmest month (with the lowest average wind speed) is June (12.8km/h).
Average humidity in January
Narita, Japan
- Average humidity in January: 61%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is January (61%).
Average rainfall in January
Narita, Japan
- Average rainfall in January: 45mm
The wettest month (with the highest rainfall) is October (144mm).
The driest month (with the least rainfall) is January (45mm).
Average rainfall days in January
Narita, Japan
- Average rainfall days in January: 9 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in January
Narita, Japan
- Average snowfall in January: 5mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Narita, Japan
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Narita, Japan
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in January
Narita, Japan
- Average sunshine days in January: 18.7 days
The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in January
Narita, Japan
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in January
Narita, Japan
- Average cloud cover in January: 31
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in January
Narita, Japan
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (10km).
The months with the lowest visibility are June and July (9km).
